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Rossmanite

Big Photo

Grotta d'Oggi Quarry, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
© Peter Kohorst

Formula:
[ ][LiAl
 
2
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
System:TrigonalColour:Pale-pink to colorless.
Lustre:VitreousHardness:7
Name:Named after George R. Rossman (b. 1945), California Institute of Technology, Pasadena, California, USA, in recognition for his work on the spectroscopy of the tourmaline minerals.


Tourmaline Group.

Classification of Rossmanite

IMA status:Approved
Strunz 8th edition ID:8/E.19-05
Nickel-Strunz 10th (pending) edition ID:9.CK.05

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Dana 7th edition ID:61.3.1.3
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Type Occurrence of Rossmanite

Type Locality:Rožná pegmatite, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic

Physical Properties of Rossmanite

Lustre:Vitreous
Colour:Pale-pink to colorless.
Streak:White.
Hardness (Mohs):7

Crystallography of Rossmanite

Crystal System:Trigonal

Optical Data of Rossmanite

Type:Uniaxial (-)
RI values: nω = 1.645 nε = 1.624
Maximum Birefringence:δ = 0.021

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Rossmanite

Formula:
[ ][LiAl
 
2
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
Essential elements:Al, B, H, Li, O, Si
All elements listed in formula:Al, B, H, Li, O, Si

Relationship of Rossmanite to other Species

Member of:Tourmaline Group
Related Minerals - Nickel-Strunz Grouping):
9.CK.05Buergerite
[Na][Fe
3+
3
][Al
 
6
][O
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Chromdravite
[Na][Mg
 
3
][(Cr
3+
 
,Fe
3+
 
)
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Dravite
[Na][Mg
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Elbaite
[Na][(Li,Al)
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Feruvite
[Ca][(Fe
2+
 
 ,Mg)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Foitite
[ ][Fe
2+
2
(Al,Fe
3+
 
)][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Liddicoatite
[Ca][Li
 
2
Al][Al
 
6
][(OH)
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Olenite
([ ],Na)[(Al,Li)
 
3
][Al
 
6
][(O,OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Povondraite
[Na][Fe
3+
3
][Fe
3+
6
][O
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Schorl
[Na][Fe
2+
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Uvite
[Ca][(Mg,Fe
2+
 
)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Magnesiofoitite
[ ][Mg
 
2
(Al,Fe
3+
 
 )][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Vanadiumdravite
[Na][Mg
 
3
][V
3+
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Oxy-Dravite
Na (MgAl
 
2
)(MgAl
 
5
)Si
 
6
O
 
18
(BO
 
3
)
 
3
(OH)
 
3
O
9.CK.05Oxy-rossmanite
[ ][LiAl
 
2
]Al
 
6
(BO
 
3
)
 
3
[Si
 
6
O
 
18
](OH)
 
3
(O)
9.CK.10Abenakiite-(Ce)
Na
 
26
Ce
 
6
[O|SO
 
2
|(CO
 
3
)
 
6
|(PO
 
4
)
 
6
|Si
 
6
O
 
18
]
9.CK.15Scawtite
Ca
 
7
Si
 
6
(CO
 
3
)O
 
18
·2H
 
2
O
9.CK.20Steenstrupine-(Ce)
Na
 
14
Mn
2+
2
(Fe
3+
 
,Mn
3+
 
)
 
2
Ce
 
6
(Zr,Th)[(OH)
 
2
|HPO
 
4
|(PO
 
4
)
 
6
|(Si
 
6
O
 
18
)
 
2
]·2H
 
2
O
9.CK.20Thorosteenstrupine
CaMnThSi
 
4
O
 
11
(OH)F·6H
 
2
O
Related Minerals - Dana Grouping):
61.3.1.1Foitite
[ ][Fe
2+
2
(Al,Fe
3+
 
)][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.2Magnesiofoitite
[ ][Mg
 
2
(Al,Fe
3+
 
 )][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.4Liddicoatite
[Ca][Li
 
2
Al][Al
 
6
][(OH)
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.5Uvite
[Ca][(Mg,Fe
2+
 
)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.6Feruvite
[Ca][(Fe
2+
 
 ,Mg)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.7Buergerite
[Na][Fe
3+
3
][Al
 
6
][O
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.8Povondraite
[Na][Fe
3+
3
][Fe
3+
6
][O
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.9Olenite
([ ],Na)[(Al,Li)
 
3
][Al
 
6
][(O,OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.10Elbaite
[Na][(Li,Al)
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.11Dravite
[Na][Mg
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.12Schorl
[Na][Fe
2+
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.13Chromdravite
[Na][Mg
 
3
][(Cr
3+
 
,Fe
3+
 
)
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.14Vanadiumdravite
[Na][Mg
 
3
][V
3+
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]

Other Names for Rossmanite

Synonyms:
IMA1996-018
German names:
Rossmanit
Japanese names:
ロスマン電気石
Russian names:
Россманит
Spanish names:
Rossmanita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rossmanite

Reference List:Selway, J.B., Novák, M., Hawthorne, F.C., Cerny, P., Ottolini, L., and Kyser, T.K. (1998) Rossmanite o (LiAl2)Al6(Si6O18)(BO3)3(OH)4, a new alkali-deficient tourmaline: Description and crystal structure. American Mineralogist (1998): 83: 896–900.

http://minerals.gps.caltech.edu/rossmanite/Index.htm

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Rossmanite

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    Localities for Rossmanite

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Manitoba
      • Lac-du-Bonnet area
        • Bernic Lake
    		Can Min.38:877-891
    Selway JB, Novák M, Cerný P, Hawthorne FC. (2000) Compositional evolution of tourmaline in lepidolite-subtype pegmatites. European Journal of Mineralogy, 11, 569-584.
    China
     
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Yili Hasake (Ili Kazakh) Autonomous Prefecture
        • Aletai (Altay) Prefecture
          • Fuyun Co.
            • Koktokay (Keketuohai) Pegmatite field
              • Altay Mine
    		Zhang AC, Wang Ru, Hu H, Chen XM (2004) Occurrences of foitite and rossmanite from the Koktokay No. 3 pegmatite dyke, Altai, Northwestern China: A record of hydrothermal fluids. Canadian Mineralogist, 42, 873-883.
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Jemnice
    		Bull. Minéral. , 1984, 107, pp. 369-384. / http://minerals.gps.caltech.edu/rossmanite/Czech_Republic_Radkovice/Radkovice-index.htm
        • Velké Meziříčí
    		Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
        • Žďár nad Sázavou
    Am. Mineral. (1998) 83, 896–900
    P. Pauliš (2001): Nejzajímavější naleziště Moravy a Slezska. Kuttna, Kutná Hora.
    Italy
     
    • Tuscany
      • Livorno Province
        • Elba Island
          • Campo nell'Elba
            • San Piero in Campo
    		Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
    F. Pezzotta, A. Guastoni, C. Aurisicchio (1998) - La rossmanite di Roznà e dell'Elba. - Riv. Mineral. It., 22 2: 46-50.
            • Sant'Ilario in Campo
    		Riv. Mineral. Ital. 22(2):46-50 (1998)
    Madagascar
     
    • Tuléar (Toliara) Province
      • Anosy (Fort Dauphin) Region
        • Amboasary Department
          • Tranomaro Commune
    		http://www.minsocam.org/MSA/Special/Pig/PIG_articles/Anjahamiary.pdf
    Namibia
     
    Giller BS (2003) An overview of tourmaline mineralogy from gem tourmaline producing pegmatite districts in Africa. Master of Science Thesis, University of New Orleans, LA.
    Nigeria
     
    • Oyo State
    		Giller BS (2003) An overview of tourmaline mineralogy from gem tourmaline producing pegmatite districts in Africa. Master of Science Thesis, University of New Orleans, LA.
    Republic of Congo (Brazzaville)
    Simmons W., Falster A. (2004) Gem Tourmaline from Congo. Gems & Gemology 40, 263-265.
    Simmons W., Falster A. (2004) Gem Tourmaline from Congo. Gems & Gemology 40, 263-265.
    Russia
     
    • Far-Eastern Region
      • Primorskiy Kray
    		http://minerals.gps.caltech.edu/rossmanite/Russia_Turgenevskoye/Russia_Turgenevskoye-Index.html
    • Urals Region
      • Central Urals
        • Rezh District
          • Lipovka pegmatite field
    		 Memetova L.R., Pekov I.V., Bryzgalov I.A., Kononkova N.N. (2005): Chemistry and zoning of tourmaline from the granitic pegmatites of the Lipovka, Middle Urals, Russia. (Abstract) Materials of 5th International Symposium “Mineralogical Museums”. Saint-Petersburg, Russia, pp. 151-153.
    Sweden
     
    • Södermanland
      • Haninge
        • Utö Island
    		Selway, Julie B.; Smeds, Sten-Anders; Cerny, Petr; Hawthorne, Frank C. Compositional evolution of tourmaline in the petalite-subtype Nykopingsgruvan pegmatites, Uto, Stockholm Archipelago, Sweden. (2002), 124, 93-102.
    Tanzania
     
    • Morogoro Region
    		Giller BS (2003) An overview of tourmaline mineralogy from gem tourmaline producing pegmatite districts in Africa. Master of Science Thesis, University of New Orleans, LA.
    USA
     
    • Maine
      • Oxford Co.
        • Paris
    		http://minerals.gps.caltech.edu/rossmanite/USA_Maine_Mt_Mica/Mt-Mica-index.htm
        • Rumford
    		Dyar MD, Taylor ME, Lutz TM, Francis CA, Guidotti CV, Wise M (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy. American Mineralogist 83, 848-864. [samples 45 and 46, labeled olenite, are actually rossmanite].
    • New York
      • Essex Co.
    		Lupulescu, M. & Rakovan, J. (2008) The 35th Rochester Mineralogical Symposium, Contributed Papers in Specimen Mineralogy, 10.
    Vietnam
     
    • Yenbai (Yen Bai) Province
      • Luc Yen
    		Min Rec 2007 38:453-457
    Mineral and/or Locality
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